Cheap Frontier Airlines flights Portland (PDX) to Washington (IAD)

Cheap Frontier Airlines flights Portland (PDX) to Washington (IAD)

Prices were available within the past 7 days and start at for one-way flights and $537 for round trip, for the period specified. Prices and availability are subject to change. Additional terms apply.

Sun, Jun 8 - Mon, Jun 16

PDX

Portland

IAD

Washington

$537 Roundtrip, found 2 days ago

$537

Roundtrip

found 2 days ago

Select Frontier Airlines flight, departing Sun, Jun 8 from Portland to Washington, returning Mon, Jun 16, priced at $537 found 2 days ago